Home / 11,896.17-17,811.41-8,965.59

Finding the Fourth Proportional to 11,896.17, 17,811.41 and 8,965.59

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Solution

The fourth proportional to 11,896.17, 17,811.41 and 8,965.59 is: 13,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.17 : 17,811.41 = 8,965.59 : x
  2. Step 2: Convert to fraction form
    11,896.17/17,811.41 = 8,965.59/x
  3. Step 3: Cross multiply
    11,896.17x = 17,811.41 × 8,965.59
  4. Step 4: Simplify right side
    11,896.17x = 159,689,754.55
  5. Step 5: Solve for x
    x = 159,689,754.55/11,896.17
  6. Step 6: Final answer
    x = 13,423.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.